docs: def to_filelink(self):
          """
          Checks is the status of the conversion is complete and, if so, converts to a Filelink
  
          *returns* [Filestack.Filelink]
  
          ```python
          filelink = av_convert.to_filelink()
          ```
          """
          if self.status != 'completed':
              return 'Audio/video conversion not complete!'
  
          response = utils.make_call(self.url, 'get')
  
          if response.ok:
              response = response.json()
              handle = re.match(
                  r'(?:https:\/\/cdn\.filestackcontent\.com\/)(\w+)',
                  response['data']['url']
              ).group(1)
              return filestack.models.Filelink(handle, apikey=self.apikey, security=self.security)
  
          raise Exception(response.text)